>>>>> Deepak Saxena writes:
> On Jun 29 2001, at 20:15, Mark Salter was caught saying:
>> Once linux starts, RedBoot is out of the picture. If userland apps are
>> failing when using RedBoot, but not Cygmon, then its some hw init
>> difference. Both cygmon and RedBoot based the startup hw init on
>> the same sample code. The init code in RedBoot further evolved to
>> fix SDRAM drive strength settings and to turn on ECC error reporting.
>> Other than that, I can't think why it make any difference to linux.
> Yes, I agree that RedBoot is out of the picture once the kernel is up,
> but there's something leftover from the redboot init that's causing
> problems in userland.
Sure, I agree with this.
_Everything_ works under Cygmon, and things
> start breaking with RedBoot. Please note, I'm not pointing fingers,
> just stating what I have seen.
That's ok. I didn't take any offense.
I've done a register dump at bootup
> with both redboot and cygmon just before calling cpu_idle(), and yes,
> the only difference is the BCU registers. So I'm still working on
> tracking this one down.
There's damn little difference between how the two set up the hardware.
It shouldn't take too long to find the right tweak.
--Mark
_______________________________________________
http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm
Please visit the above address for information on this list.
